Subversion Repositories HelenOS

Rev

Rev 1780 | Rev 1888 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
35 jermar 1
/*
2
 * Copyright (C) 2005 Jakub Jermar
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
1731 jermar 29
/** @addtogroup ia64
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
35 jermar 35
#ifndef __ia64_CPU_H__
36
#define __ia64_CPU_H__
37
 
476 jermar 38
#include <arch/types.h>
35 jermar 39
#include <typedefs.h>
476 jermar 40
#include <arch/register.h>
35 jermar 41
 
476 jermar 42
#define FAMILY_ITANIUM  0x7
43
#define FAMILY_ITANIUM2 0x1f
44
 
35 jermar 45
struct cpu_arch {
1780 jermar 46
    uint64_t cpuid0;
47
    uint64_t cpuid1;
476 jermar 48
    cpuid3_t cpuid3;
35 jermar 49
};
476 jermar 50
 
51
/** Read CPUID register.
52
 *
53
 * @param n CPUID register number.
54
 *
55
 * @return Value of CPUID[n] register.
56
 */
1780 jermar 57
static inline uint64_t cpuid_read(int n)
476 jermar 58
{
1780 jermar 59
    uint64_t v;
35 jermar 60
 
476 jermar 61
    __asm__ volatile ("mov %0 = cpuid[%1]\n" : "=r" (v) : "r" (n));
62
 
63
    return v;
64
}
65
 
35 jermar 66
#endif
1702 cejka 67
 
1731 jermar 68
/** @}
1702 cejka 69
 */